This project contains a few examples like below for Spain and Italy.
- Spain topojson info:
https://github.com/deldersveld/topojson/blob/master/countries/spain/spain-comunidad-with-canary-islands.json - Italy topojson info:
https://github.com/deldersveld/topojson/blob/master/countries/italy/italy-regions.json - Lemoncode / d3js-typescript-examples
https://github.com/Lemoncode/d3js-typescript-examples/tree/master/02-maps/02-pin-location-scale