Äakavian â spoken along the Croatian coast, on many islands and in the Lika region. Kajkavian â spoken in northern and northwestern Croatia. Å tokavian â spoken in the rest of Croatia. The basics on the Croatian alphabet. The Croatian alphabet has 30 letters in total, and differs from the standard Latin alphabet in the following ways: The Croatian alphabet has the following additional letters: Ä, Ä, dÅ¾, Ä, lj, nj, Å¡ and Å¾; The Croatian alphabet doesn't have the letters: q, w, x and y Did you know? Although nowadays Croatian uses the Latin alphabet, Croatian was originally written in Glagolitic, the oldest known Slavic alphabet, which was invented in the 9th and commonly used until as late as the 18th century!