gulf coast; gulf of aden; gulf of aegina; gulf of akaba; gulf of alaska; gulf of antalya; gulf of aqaba; gulf of bothnia; gulf of california; gulf of campeche; gulf of carpentaria; gulf of corinth; gulf of finland; gulf of guinea; gulf of lepanto; gulf of martaban; gulf of mexico; gulf of ob; gulf of oman; gulf of riga; gulf of saint lawrence; gulf of siam; gulf of sidra; gulf of st. lawrence; gulf of suez; gulf of tehuantepec; gulf of thailand; gulf of venice; gulf states; gulf stream; gulf war; gulf war syndrome;