Since it's too late today, I'll share my partial feedback on the map for now. The map is sourced from a Chinese - language journal, so it may present some reading difficulties.
Starting with the regional map: while I'm puzzled by the Korean Kingdom's eight unusually small divisions, that's not the core issue.
The primary concerns stem from the excessively large territories of Huguang and Nan Zhili. While I understand these follow Ming Dynasty administrative divisions, their disproportionate scale on the map prompts my suggestion to adopt the Qing Dynasty's division method. Specifically:
For the Southern Gobi: as it spans two distinct geographic units, I recommend splitting it into,A new 'Hetao' region, a combined zone with Shanxi's 'Houset' (posterior Ordos) and Shaanxi's Ningxia region
Proposed New Regions:
Regarding the agricultural land map: multiple users have noted the insufficient farmland allocation for China compared to Europe. Given that China and India—two demographic giants—should support historically documented population scales, additional farmland is warranted.
Key adjustments:
Climate Map Corrections:
Development Map Revisions:
Port Map Revisions:
Cultural Map Feedback:
The only discrepancy lies in Liaoning's lack of Han cultural representation. This region still hosts a significant Han population and should reflect Han cultural elements. Historically, Liaoning has been part of Han China since the Zhou Dynasty—even the Qing Dynasty acknowledged this (the Willow Palisade followed the Liaodong Great Wall's trajectory, with Han settlements confined within its boundaries).
Regarding Taiwan: I propose simplifying the cultural classification into two primary groups—the Pingpu (Plains) Indigenous Peoples and the Highland Indigenous Peoples. The outdated Portuguese designation 'Formosa' should no longer be used.
Dialect Map Critique & Revision Proposal
The map has sparked widespread ridicule across Chinese social media. Its erroneous depiction of Southern Mandarin distribution is particularly infuriating. Classifying dialects into just two Mandarin categories fundamentally violates linguistic definitions.
Revised Classification System:
Religious Map Feedback:
Similar to the cultural map, Liaoning Province exhibits no traces of the Three Teachings (Confucianism, Buddhism, Taoism), which is both incorrect and historically implausible.
Market Map Revisions
Similar to the regional map, certain market regions require subdivision:

Starting with the regional map: while I'm puzzled by the Korean Kingdom's eight unusually small divisions, that's not the core issue.
The primary concerns stem from the excessively large territories of Huguang and Nan Zhili. While I understand these follow Ming Dynasty administrative divisions, their disproportionate scale on the map prompts my suggestion to adopt the Qing Dynasty's division method. Specifically:
- Reconfigure regional boundaries for better visual balance, particularly addressing:
- Guangdong's enclaves, which appear aesthetically awkward
- The 'tail' protruding from North Zhili
- Redistribute territories to reflect historical claims:
- Guizhou should incorporate parts of Sichuan (currently appearing 'bitten off')
- Sichuan should annex the easternmost section of Kang (same rationale)
For the Southern Gobi: as it spans two distinct geographic units, I recommend splitting it into,A new 'Hetao' region, a combined zone with Shanxi's 'Houset' (posterior Ordos) and Shaanxi's Ningxia region
Proposed New Regions:
- Hetao (historically defined as the entire Loess Plateau north of Ordos, including Ningxia and modern Hetao)
- Hubei (modern provincial name)
- Jiangsu (modern provincial name), with alternative: Huaihai (derived from Huai River & Yellow Sea)
- Retain Nan Zhili (status quo option)
- Hunan (modern provincial name)

Regarding the agricultural land map: multiple users have noted the insufficient farmland allocation for China compared to Europe. Given that China and India—two demographic giants—should support historically documented population scales, additional farmland is warranted.
Key adjustments:
- Northern China: The existing farmland distribution appears adequate, with only minor additions to the Jiaolai Plain in Shandong.
- Southern China: Significant expansions were made to cover:
- The entirety of Hunan, Hubei, and Jiangxi provinces
- All plains regions along the Yangtze River
- Nanyang Basin in Henan ( The area was unaffected by the Yellow River's course changes, and it also did not experience salt-alkalization issues similar to those in the Guanzhong Plain ).

Climate Map Corrections:
- Northern China Misclassification
- Error: Hebei, Fen River Basin (Shanxi), and Guanzhong Plain (Shaanxi) incorrectly labeled as cold-arid.
- Correction: These regions (600+ mm annual rainfall) belong to the semi-humidzone. The Köppen system's flaws include:
- Overemphasis on urban heat island effects as representative of broader climates
- Neglect of monsoonal precipitation patterns (winter droughts artificially lower classifications)
- Arbitrary zone boundaries ignoring 5 mm rainfall differentials
- Subtropical Zone Adjustment
- Original Issue: DEV's misplacement of southern Henan in the subtropics.
- Rationale for Expansion:
- Monsoonal gradient: coastal areas are warmer/rainier than inland
- Required northward shift of eastern subtropics (vs. continental zones)
- New boundaries:
- Eastern subtropics extended to southern Shandong
- Southern Korea reclassified as subtropical

Development Map Revisions:
- Yellow River Region Downgrade
- Current Issue: Unjustifiably high development levels in areas of frequent Yellow River flooding (e.g., Henan floodplains).
- Correction: Reduce development ratings to reflect:
- Historical vulnerability to hydrological disasters
- Disruptive sedimentation patterns
- Infrastructure instability
- Yangtze River Region Upgrade
- Rationale for Enhancement:
- Demographic concentration (historical population hubs)
- Commercial centrality (maritime trade networks)
- Strategic geographic position as China's economic core
- Rationale for Enhancement:

Port Map Revisions:
- Jiangsu Coastline Downgrade
- Rationale: Entire coastline comprises muddy tidal flats, unsuitable for port construction. Should be downgraded to minimum development level.
- Northern Shandong Upgrade
- Justification:
- Exempt from Yellow River sedimentation impact
- Weihai served as Beiyang Fleet base during Qing Dynasty
- Action: Minor elevation of port classification
- Justification:
- Southeastern Shandong Upgrade
- Opportunity: Several bays east of Qingdao offer superior natural harbor conditions. Should match Qingdao's port rating.
- Hangzhou Port Relocation
- Problem: Direct exposure to Qiantang River tidal bore renders it nonviable.
- Solution:
- Downgrade Hangzhou's port status
- Relocate port functions to Zhoushan Archipelago (ideal natural harbor)
- Yangtze River Delta Upgrade
- Strategic Importance: Core economic zone from Jiangyin to Shanghai (historically and currently). Warrants comprehensive port upgrades.
- Guangzhou Port Access
- Current Issue: Mapped as inland city despite national significance.
- Correction:
- Reconnect to Pearl River network
- Designate as open coastal port

Cultural Map Feedback:
The only discrepancy lies in Liaoning's lack of Han cultural representation. This region still hosts a significant Han population and should reflect Han cultural elements. Historically, Liaoning has been part of Han China since the Zhou Dynasty—even the Qing Dynasty acknowledged this (the Willow Palisade followed the Liaodong Great Wall's trajectory, with Han settlements confined within its boundaries).
Regarding Taiwan: I propose simplifying the cultural classification into two primary groups—the Pingpu (Plains) Indigenous Peoples and the Highland Indigenous Peoples. The outdated Portuguese designation 'Formosa' should no longer be used.

Dialect Map Critique & Revision Proposal
The map has sparked widespread ridicule across Chinese social media. Its erroneous depiction of Southern Mandarin distribution is particularly infuriating. Classifying dialects into just two Mandarin categories fundamentally violates linguistic definitions.
Revised Classification System:
- Northern Mandarin (heavily influenced by Jurchen and Mongolian)
- Jiaodong Mandarin
- Central Plains Mandarin
- Lower Yangtze Mandarin
- Upper Yangtze Mandarin
- Qinlong Mandarin
- Northwest Mandarin (significantly shaped by Tangut and Mongolian)
- Northeastern Mandarin (affected by Jurchen, Mongolian, and Khitan languages)

Religious Map Feedback:
Similar to the cultural map, Liaoning Province exhibits no traces of the Three Teachings (Confucianism, Buddhism, Taoism), which is both incorrect and historically implausible.

Market Map Revisions
Similar to the regional map, certain market regions require subdivision:
- Sichuan Basin East
- Split Chengdu market to establish Chongqing (or Kuizhou) as an independent market center for the eastern basin.
- Hubei-Hunan Trade Hub
- Fragment Nanchang market into separate nodes for Wuchang, Hankou, or Hanyang—these three cities (later amalgamated into modern Wuhan) historically surpassed Nanchang in commercial significance.
- Shandong Market Isolation
- Detach Jinan or Qingzhou from Kaifeng market to create a dedicated Shandong trading zone, as Shandong's geographical isolation necessitates separate representation.
- Yunnan Anomaly
- Investigate the Kunming market enclave within Shenglong territory—is this a bug?
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