According to EC Regulation 1493/99, greek still wines do not contain carbon dioxide.

According to EC Regulation 1493/99, semi-sparkling greek wines are defined  as those having pressure between 1 and 2.5 atmospheres at 20 °C.

According to EC Regulation 1493/99, a sparkling wine is any greek wine with an excess of 3 atmospheres in pressure due to carbon dioxide at 20 °C .