Pedro de Sintra, also known as Pêro de Sintra, Pedro da Cintra and Pedro da Sintra, was a Portuguese explorer. He was among the first Europeans to explore the West African coast. Around 1462 his expedition reached what is now Sierra Leone and named it. Although according to professor C. Magbaily Fyle this could have possibly been a misinterpretation of historians; there has been evidence of Serra Lyoa being mentioned prior to 1462, the year when de Sintra's expedition reached the coast of Sierra Leone. This would suggest that the person who named Sierra Leone is still unknown. However, if de Sintra did name the area, it is unclear whether he named it after the landforms or climate in the area. According to some the coastal regions resembled lion's teeth while others suggest the thunderstor