This is the 552nd most frequent Turkish word.
deniz
Sea
In this sentence, 'Deniz' means 'the sea' and it is used as a noun representing a body of water.
Deniz çok güzeldi, bu yüzden tatilde sık sık yüzmeye gittik.
The sea was very beautiful, so we went swimming frequently during the vacation.
Here, 'Deniz' is used as a proper noun, representing a person's name.
Deniz'in kedisi bahçede oynuyordu.
Deniz's cat was playing in the garden.
In this context, 'deniz' again refers to 'sea' but is used as a descriptive feature of the hotel.