Otok (Hungarian: Atak) is a town in eastern Croatia, located 20 km south of Vinkovci, in eastern Slavonia. The settlement gained the status of town by the decision of the Parliament of Croatia on July 13, 2006. At the time, nearby Privlaka was a part of the municipality, but was subsequently declared a municipality in its own right. The population of the town of Otok is 6,343 (census 2011), with 4,694 residents in Otok itself and 1,649 in the nearby village of Komletinci. In the census of 2011, 99.31% of the population declared themselves Croats.

Otok
Population by ethnicity
total: 5,889   Croats 5,758 (97.77%)   Serbs 25 (0.42%)   Muslims 17 (0.28%)   Hungarians 9 (0.15%)   Slovaks 7 (0.11%)   Yugoslavs 5 (0.08%)   Albanians 3 (0.05%)   Slovenes 2 (0.03%)   Germans 1 (0.01%)   Rusyns 1 (0.01%)   nondeclared 23 (0.39%)   unknown 38 (0.64%)

According to the 1910 census, settlement of Otok had 3,568 inhabitants which were linguistically and religiously declared as this:

Otok
Population by language	Population by religion
total: 3,568   Croatian 3,119 (87.41%)   German 123 (3.44%)   Hungarian 56 (1.56%)   Serbian 48 (1.34%)   Slovene 41 (1.14%)   Slovak 8 (0.22%)   Czech 2 (0.05%)   Italian 1 (0.02%)   Rusyn 1 (0.02%)   others 169 (4.73%)	total: 3,568   Rom. Cath. 3,299 (92.46%)   East. Orthodox 214 (5.99%)   Jewish 18 (0.50%)   Calvinists 17 (0.47%)   Lutherans 11 (0.30%)   East. Catholics 9 (0.25%)

• Official website