This is the 206th most frequent Hungarian word.
budapest
Budapest: The capital city of Hungary.
Here, 'Budapest' serves as a noun naming the capital city of Hungary.
Budapest Magyarország fővárosa.
Budapest is the capital of Hungary.
In this usage, 'Budapesten' is in the locative case, indicating the location where the sights are found.
Budapesten sok híres történelmi látnivaló található.
In Budapest, there are many famous historical sights.
Here, 'Budapestet' is in the accusative case, serving as the direct object of the verb 'to explore.'