 The map also referenced a town named "Cadara" to the east of the peninsula.The term 'Catara' (inhabitants, "Cataraei") was exclusively used until the 18th century, after which 'Katara' emerged as the most commonly recognised spelling.Eventually, after several variations – 'Katr', 'Kattar' and 'Guttur' – the modern derivative "Qatar" was adopted as the country's name.