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var county = require('twgeojson/twCounty1982');
projection = d3.geo.mercator().scale(50000).translate([-16500, 3650]);



The package provides the geojson files for administrative divisions in Taiwan. The data has been simplified with d3.simplify and is suitable for geographical visualisation. The county level data file is about 64K in size.

For raw data or different levels of simplification, see Makefile for the rules generating them.


  • Merge subsumed polygons in the 2010 city merge
  • Town level translation for the 2010 city merge
  • Provide zip code as layer properties for towns

See Also

CC0 1.0 Universal

To the extent possible under law, Chia-liang Kao has waived all copyright and related or neighboring rights to twgeojson.

This work is published from Taiwan.