Two main cities of this name in the US, Augusta, Maine (the state capital) and Augusta, Georgia, world-famous as the home of Augusta National Golf Club and the Masters Tournament 美国大师赛. Also a feminine Latin name (the feminine of Augustus, 'majestic') used historically for European royal women.
usage
Phonetic transliteration syllable by syllable: 奥 (ào) = 'au-', 古 (gǔ) = '-gu-', 斯 (sī) = '-s-', 塔 (tǎ) = '-ta'. The 塔 'tower/pagoda' character is the standard final for any '-ta' ending in foreign place names (compare 雅加达 Jakarta, 马耳他 Malta).