During the Pahlavi dynasty era, the Morvarid Palace was constructed in nearby Mehrshahr district, designed by the Frank Lloyd Wright Foundation.
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The Soleimanieh palace (currently housing a college of Agriculture), the mausoleum of Shahzadeh Soleiman, Imamzadeh Rahman and Zeid Palang Abad-e-Eshtehard are other historical relics of the Karaj area.
The hangar is linked to Mehrabad Airport through a taxiway crossing "Tehran-Karaj" Highway.
Karaim language, (Crimean dialect: къарай тили, Trakai dialect: karaj tili, Turkish dialect: karay dili, traditional Karaim name lashon kedar (Hebrew: לשון קדר - «language of the nomads») is a Turkic language with Hebrew influences, in a similar manner to Yiddish or Ladino
" The MPRP "immediately came under attack from the" IRP and the MPRP's offices in "Karaj, Arak, Saveh, Ardabil, and Khalkhal were attacked.