The Japanese word for wedding/marriage ceremony is kekkonshiki and marriage is seikon.
|Kekkonshiki-yō no gaun||結婚式用のガウン|
Interesting facts about weddings in Japan
In Japan there are two types of weddings – the Western-style wedding that takes place in a church and the traditional Japanese Shinto wedding held at a shrine or Buddhist temple. Japan also happens to be a popular marriage destination for a lot of Westerners thanks to the pleasant climate and breathtakingly beautiful scenery the country has to offer.
Read more about traditional Japanese Shinto marriage ceremonies here.