City search
152,970 cities across 250 countries, with coordinates, timezone and population. Type without accents — 'zurich' finds Zürich and 'sao paulo' finds São Paulo.
reads /api/v1/geo/search?q=chennai
Type at least two letters.
Data by Countries States Cities Database, under ODbL v1.0. Refreshed monthly, so a city that incorporated last week may not be here yet.