Many countries — including Sri Lanka — don’t have built-in state/region data in WooCommerce, which makes it impossible to create region-based Shipping Zones out of the box.
Custom Shipping Regions for WooCommerce lets you define your own list of regions (districts, provinces, counties, states — whatever your country uses) for any country, directly from a simple settings screen. No coding required.
Once saved, these regions appear:
The plugin comes pre-loaded with all 25 Sri Lankan districts as a working example the moment you activate it, so Sri Lankan store owners can start creating shipping zones immediately. Store owners in any other country can add their own region list in minutes.