To pronounce "Medellin," begin by placing the tip of your tongue behind your top teeth. Then, make an "eh" sound as in the word "bet." Next, round your lips and make an "oo" sound as in the word "too." Finally, end with a nasalized "n" sound.
In British pronunciation, "Medellin" is pronounced as /məˈdɛlɪn/. The IPA transcriptions for each syllable are as follows: /mə/ /ˈdɛl/ /ɪn/.
In American pronunciation, "Medellin" is pronounced as /məˈdɛljən/. The IPA transcriptions for each syllable are: /mə/ /ˈdɛl/ /jən/.