I alt 16 maritime operationelle programmer modtog støtte under Interreg HA i forhold lil blot fire under Interreg I. De fleste af disse programmer (11) omhandler grænser inden for EU.
A total of 16 maritime Operational Programmes were supported under INTERREG IIA compared to just four under INTERREG I. Most of these programmes (11) relate to internal EU borders.