Hattusa was the capital of the Hittite Empire. The earliest traces of settlement on the site is from the Sixth Millennium BC. The city was destroyed around 1200 BC, leading to the collapse of the Hittite empire.
Cities, Ancient
Links: en.wikipedia.org
By: Hinkkanen
There's also a link to the Wikipedia article on Hattusa on this very page, and the exact Latitude and Longitude (40.01991200, 34.61506100) are also here.
Not to mention this line: Location: Boğazkale, Turkey (TR)