Tajrish (Persian: تجريش, pronounced [tædʒˈɾiːʃ])[a] is a neighbourhood of Tehran, capital of Iran.

[5] Until the 1920s, Tajrish and neighboring Shemiranat were a collection of small villages along Tehran's city border.

With the construction of Pahlavi Road (now named Valiasr Street) in the 1930s and Modarres Highway, then known as Shahanshahi Boulevard, the Northern suburbs became highly accessible from downtown and rapid extension became possible.

Iranian linguist Habib Borjian, after examining all the available material at hand concerning this dialect confirms it is a dialect of the Persian and writes: "Tajrishi shows no divergence from the Persid group, despite minor variation with respect to modern standard Persian.

It is in verb morphology that we do find in Tajrishi a massive Caspian overlay, imposed on the dialect by means of age-old socio-economic ties with the districts to its north in the Alborz chain.

Popular tourist spots in Tajrish are the old bazaar and a mausoleum called Imam Zadeh Saleh.

Tajrish is at the junction of streets that lead to Sa'dabad Palace, Velenjak, Asad Abad, Zafaraniyeh, Elahieh, and Niavaran as well as many of the other places in northern Tehran.

[9] The bazaar was developed in the 18th-century (although some sources state early 19th-century), and was associated with the village of Shemiranat and the Qajar dynasty.

Some of its arches have been destroyed due to construction of multi-story buildings and its traditional identity has been threatened by irregularity of window shops and external view of new stores.