This is the 8827th most frequent Turkish word.
singapur
Singapore.
The word 'Singapur' here is used as a proper noun, referring to the country Singapore. It acts as the subject of the sentence.
Singapur, Asya'da bir şehir devletidir.
Singapore is a city-state in Asia.
In this sentence, 'Singapur' is used as a proper noun and is in the objective case, indicating the place that was visited.
Tatilde Singapur'u ziyaret ettik ve çok eğlendik.
We visited Singapore during the holidays and had a great time.
Here, 'Singapur' is used as a noun modifier in its possessive form to describe the cuisine related to Singapore.