Besides dates the principal articles of export are wool, horses, liquorice, gum and attar of roses.
Near it is the grave of the celebrated poet and mystic Farid ud din Attar, who was killed by the Mongols when they captured the city C. 1229.
The genuine attar of roses is costly and it is frequently adulterated.
It contains breweries, tanneries, sugar, tobacco, cloth, and silk factories, and exports skins, cloth, cocoons, cereals, attar of roses, "dried fruit, &c. Sofia forms the centre of a railway system radiating to Constantinople (300 m.), Belgrade (206 m.) and central Europe, Varna, Rustchuk and the Danube, and Kiustendil near the Macedonian frontier.
In the same district bamboos, ramie-fibre and attar (otto) of roses are cultivated.