SEOUL, June 2 -- More couples will soon be able to hold weddings at Korea's royal palaces, with the Korea Heritage Service set to expand its outdoor wedding program to Deoksugung next year.

The agency told The Korea Herald that the initiative, launched in April at Gyeongbokgung Palace, was designed to ease wedding costs for young couples while opening historic palace spaces to the public. The response was immediate: 293 couples from 15 countries applied for just 16 available slots.

Following the strong demand, the Heritage Service increased the number of participating couples from 16 to 28 and extended the program by two weeks. The fall season will now run across six weekends from October to early November, with two ceremonies held each...