From an English-speaking perspective, some of the names and abbreviations of airports around the world are exceedingly unusual and unfortunate.
Unfortunate IATA airport codes include:
BAD (Barksdale Air Force Base, Bossier City, Louisiana, United States); BOG (Bogotá Airport, Columbia); BUM (Butler Airport, United States); DIK (Dickinson Airport, United States); DOH (Doha Airport, Qatar); FAT (Fresno Yosemite International Airport, California, United States); GIT (Geita Airport, Tanzania); KOK (Kokkola/Pietarsaari Kruunupyy Airport, Finland); MAD (Madrid Barajas International Airport, Spain); NOB (Nosara Beach Airport, Costa Rica); OLD (Old Town Municipal Airport, Maine, United States); PEE (Perm Airport, Russia); POO (Pocos De Caldas Airport, Brazil); SAD (Safford Regional Airport, Arizona, United States); SEX (Sembach Airport, Germany).
Unusual names of airports include:
Batman Airport (BAL) Turkey; Black Tickle Airport (YBI) Canada; Brest Airport (BES) France; Dang Airport (DNP) Nepal; Fak Fak Airport (FKQ) Indonesia; Flin Flon Airport (YFO) Canada; Fort Dix Airport (WRI) United States; Fukui Airport (FKJ) Japan; Gaylord Airport (GLR) United States; Linga Linga Airport (LGN) Papua New Guinea; Mafia Airport (MFA) Tanzania; Mala Mala Airport (AAM) South Africa; Moron Airport (MXV) Mongolia; Ponce Airport (PSE) Puerto Rico; Pratt Airport (PTT) United States; Shafter Airport (MIT) United States; Tsili Tsili Airport (TSI) Papau New Guinea; Useless Loop Airport (USL) Australia; Wagga Wagga Airport (WGA) Australia; Wee Waa Airport (WEW) Australia; Wuhu Airport (WHU) China.