Pavlos Kountouriotis (1855-1935) was a Rear Admiral. As Commander of the Averof battleship, Chief of the Aegean Fleet, he took part in the victorious sea battles of Elli and Limnos and he liberated almost all Aegean islands. He was elected Minister, Regent and first President of the Republic.

Dimitrios Koufitsas (or Kofitsas) was born in 1901 or 1902 in Chaliki, Trikala and was murdered in 1946 in Thessaloniki. Holding the rank of Squadron Leader, he was Deputy Commander of National Security and Rapporteur of the Extraordinary Court-martial of Thessaloniki.

Krateros was a Macedonian General of Alexander the Great. He took part in the campaign in Asia. After the death of Alexander the Great, he supported Antipatros. He died in 321 B.C.

Kostas Krystallis was born in 1868 and died in 1894. He was a poet and novelist. His poems were inspired mainly from nature and life in the countryside.

Stilpon Kyriakides was born in 1887 in Komotini and died in 1964 in Thessaloniki. He was a distinguished historian and folklorist, Professor at the Philosophy School, Dean at the University of Thessaloniki and one of the founding members and President of the Society for Macedonian Studies. He left a prodigious amount of work.

The Commandos and the Sacred Squadron are military units of the special forces. The Sacred Squadron was founded in 1942 in the Middle East and took part in operations during World War II. The Mountain Raiders Company was founded in 1946 and it is the evolution of the Sacred Squadron, that had been disbanded the

Nikos Kessanlis was born in Thessaloniki in 1930 and died in Athens in 2004. He was a student of Yannis Moralis and a distinguished painter. He was Professor and Dean at the Athens School of Fine Arts.

Kastoria is a city of Western Macedonia. It is built on the shore of Lake Orestiada. It was founded in the 6th century A.D. It played a leading role in the Byzantine times and the Macedonian Struggle. It has numerous Byzantine churches and it is famous for the architecture of its mansions and the fur

Catalia is a natural spring at the foot of Parnassos Mt. In ancient times, it was considered a sacred place and the residence of the Muses and Apollo. It was extremely important for the Delphic Oracle and the temple.

Kassandros (350-297 B.C.) was a King of Macedonia, husband of Thessaloniki, the daughter of Philipos II. He founded the city of Thessaloniki in 315 B.C. naming the city after his wife.