Buda + Pest = Budapest

Here's the city of Budapest. Budapest as "one" city has only existed since 1873 - when the twin cities of Buda and Pest were united into a single city, together with the smaller Óbuda (old Buda) which became part of Buda. Buda is more hilly...on the left of the river and Pest is more flat, on the right of the river, from this picture. (Budapest, Hungary)