You will find no end of guide books and other travel advice sources asserting that Praha translates as "the golden city" or some such. I spent a day skiing with the Czech Olympic Ski Team's physiclan and I asked him how Praha translates into Engilsh. He said, "It doesn't. Its just the name of a town."
I told him about the Golden City stuff, and he said, "I never heard any thing like that. Its nonsence . The closet Czech word to Praha translates as a small front stoop. "