Hangul is the system of writing in Korea which was developed at the
time of King Sejong. There are 21 vowels commonly used there have been
indications that there are other combinations but I have not seen
them. There are 14 consonants and 5 double consonants. Below are the
suggested pronunciation and romanization there is a government standard
of romanizing Hangul but for the purpose of better understanding the
pronunciation below are combination of non-standard and standard
romanization.
Learn Hangul - 한글
The Hangeul alphabet (한글)
Writing Hangul