Country & Region Data Format

Country Selector Generator — Data model for country region selector

A country and region selector helps users accurately select their location by linking countries with their corresponding states, provinces, or regions. This is essential for applications that require precise geographic data.

Common scenarios: shipping address forms, billing and tax calculation, user profile settings, localization and language defaults.

Data structure example

{
  "US": ["California", "Texas", "New York"],
  "GB": ["England", "Scotland", "Wales"],
  "AU": ["New South Wales", "Victoria"]
}

Implementation options: static HTML for simple forms, JavaScript-based dynamic selectors, server-rendered forms with predefined mappings.

This page complements the country selector, country region selector, html country selector, javascript country picker, and crs country selector topics.