This is the 2883rd most frequent Turkish word.
kazakistan
"Kazakistan" in Turkish means "Kazakhstan," a country in Central Asia.
Here, 'Kazakistan' is used as a proper noun indicating the name of a country.
Kazakistan, Orta Asya'da bir ülkedir.
Kazakhstan is a country in Central Asia.
In this sentence, 'Kazakistan'ın' is the possessive form indicating something belonging to the country Kazakhstan, specifically its population.
Kazakistan'ın nüfusu yaklaşık 18 milyon kişidir.
The population of Kazakhstan is approximately 18 million people.
Here, 'Kazakistan'a' uses the dative case, showing that the action of traveling is directed toward Kazakhstan.