Jabba the Hutt's home on Tatooine is an unlikely place. The immense building beyond the Dune Sea is seemingly in the middle of nowhere, and it's on a planet that isn't exactly known as a hotbed of any kind of activity other than Podracing. In this case, location isn't everything because despite geographic challenges, Jabba has the credits and influence to attract quite the variety of denizens. Jabba's throne room seems as crowded as the Mos Eisley Cantina, and when we enter the Hutt's palace, we meet a bevy of new aliens and creatures for the first time.
TWI'LEKS

The festive gathering at Jabba’s palace introduced us to not only only one Twi'lek but three. We met Jabba’s loyal attendant Bib Fortuna, a dancer slave known as Oola, and the singer Lyn Me (she was added in the Special Edition of Return of the Jedi). We’ve encountered many more Twi’leks since Episode VI including the Jedi Knight Aayla Secura and Star Wars Rebels’ Hera Syndulla.