Egyptian Starcluster

Pentas lanceolata, commonly known as Egyptian Starcluster, is a species of flowering plant in the madder family, Rubiaceae that is native to much of Africa as well as Yemen. It is known for its wide use as a garden plant where it often accompanies butterfly gardens (wiki)
It was spotted in full bloom, in the garden of a hotel, in Tsagarada village, Pelion mountain, Greece.