The price of the apartment should be $400,000. Moreover, a foreigner can buy more than one apartment, with a total price of $400,000, and apply for Turkish citizenship. One of the important things related to apartments suitable for nationality is that they should not be located in areas prohibited to foreigners. The buyer also should obtain security and military approval when buying an apartment.. Especially if it is close to the security and military areas. In addition to the above, the buyer must not sell the property for 3 years. Furthermore, the buyer should also buy the apartment from a Turkish person or company, or through a well-known accredited real estate company. This apartment must not have been previously sold to apply for Turkish citizenship.