One of the two official languages of Sri Lanka and the first language of more than 75% of the population
According to Sinhalese tradition, this language was introduced to Sri Lanka by a banished prince in the 6th century who conquered the local 'demons'. It has a relatively flexible grammar, so it won't take you long to conquer that language barrier.
Guide to pronunciation and grammar
Fail-safe small talk
Practicalities - how to catch a train or ask for antibiotics