Hellenic Aviation Service Provider, also known as HASP, is a Publicly Owned entity headquartered in Greece. Founded in 2020 and employing approximately 90 individuals, it functions as Greece's Air Navigation Service Provider and the operator of 25 international, regional, domestic, and general aviation airports. Formerly known as the Civil Aviation Authority (HCAA), HASP was established following the segregation of the regulatory and operational responsibilities of the HCAA, operating as a Public Law Entity under the Ministry of Infrastructure and Transport.