Kurds are members of the culturally and linguistically distinct people who speak Kurdish and live in different countries such as Turkey, Russia, Iran, Syria, Iraq, etc. Apart from the fact that they speak Kurdish, they also speak languages of the countries they inhabit.
For instance, those who live in Turkey, will be able to speak Kurdish as well as the official language of Turkey, which is Turkish. While Kurds can be found in different parts of the world, they are mostly found in the Middle East. As you would expect, their main religion is Islam and are mostly Sunni Muslims. On the other hand, Turks are people from Turkey, people living in Turkey, or people of Turkish ethnic descent. Turks are also people who speak Turkish. Apart from the fact that they are mostly found in Turkey, they also live in different countries such as Herzegovina, Bulgaria, Algeria, Iran, Egypt, Libya, Cyprus, etc.