The prohibitions come amid concerns that traditionally tolerant Indonesia is taking a sharp fundamentalist turn, by pushing to make pre-marital sex -- including gay sex -- illegal and punishable with jail time.
On Wednesday authorities in the country's second-biggest city Surabaya briefly detained about two dozen couples during a raid to sniff out any sign of Valentine's Day celebrations. They were expected to be released with a reprimand.
Mataram city on the tourist island of Lombok issued its own Valentine's Day ban and ordered police to raid schools in the hunt for passionate students unable to keep their hands off each other. Romantic parties at hotels and cafes were left alone, according to authorities.
Syamsu Rizal, the deputy mayor of Makassar on the island of Sulawesi, said his city prohibited Valentine's celebrations, while Depok on the outskirts of Jakarta followed suit.
"It has never been declared by the government to be a celebration in the country" and the ban would prevent hanky-panky among students, Rizal said.
Makassar has imposed bans on Valentine's Day for the past several years.
In 2017 city authorities raided convenience stores to seize condoms in a bid to stop teenagers from having sex on February 14.
At least 10 cities across the world's biggest Muslim-majority nation issued full or partial bans on Valentine's Day celebrations.
Aceh province, the only place in Indonesia that imposes Islamic law, issued a fresh Valentine's prohibition Wednesday, citing religious norms. It has ordered bans in previous years.
"Valentine's Day reflects a culture which is not in line with Aceh's and Islamic law," provincial governor Irwandi Yusuf said in a statement.
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