World's longest....

Longest Place Name:- “Llanfairpwllgwyngyllgogerychwyrndrobwyll-llantysiliogogogoch” This is the name of a town in North Wales. The name translates as "The church of St. Mary in the hollow of white hazel trees near the rapid whirlpool by St. Tysilio's of the red cave" in Welsh, has long claimed the fame of having the longest name in the world.

Longest Word in English Language:- “Pneumonoultramicroscopicsilicovolcanoconiosis” meaning a lung disease caused by breathing ultramicroscopic particles of volcanic silica. This word has never been used; it was artificially contrived to be the longest word in the English language.

The website with longest name
http://thelongestlistofthelongeststuffatthelongestdomainnameatlonglast.com/

Longest Hill Name: - “Tetaumatawhakatangihangakoauaotamateaurehaeaturipukapihimaun
gahoronuku pokaiwhenuaakitanarahu” The name translates to "The place where Tamatea, the man with the big knees, who slid, climbed, and swallowed mountains, known as the land-eater, played his flute for his loved one." This hill is near Porangahau in New Zealand based on a Maori name, which is more than 50% longer at 92 letters

Original name of Los Angeles CA :- “El Pueblo de Nuestra Senora la Reina de Los Angeles de Porciúncula” These 55 Spanish letters translate in English to, "The Town of Our Lady the Queen of Angels of the Little Portion