Similar to 角川日本地名大辞典

United Nations Conference on the Standardization of Geographical Names

Place names considered unusual

Advisory Committee on Antarctic Names

Barr (placename element)

Hiragana and katakana place names

Mar de Ajó

List of online dictionaries

Free On-line Dictionary of Computing

Tatoeba

William Whitaker's Words

Urban Dictionary

Answers.com

Wiktionary

Weblio

Eijirō

Ekşi Sözlük