Rizov was an editor of the newspapers Hristo Botev, and co-editor (with Andrey Lyapchev) of Young Bulgaria (1895–1896).

In 1895, Dimitar Rizov was elected a member of Supreme Macedonian-Adrianople Committee at the organization's Second Regular Congress.

He was a Bulgarian ambassador in Üsküp, now Skopje (1897–1899), diplomatic agent in Cetinje (1903–1905), Belgrade (1905–1907), plenipotentiary minister in Rome (1908–1915), and Berlin (1915–1918).

Of special significance are the maps, drawn by the leading Bulgarian scientists Prof. Anastas Ishirkov (geography) and Prof. Vasil Zlatarski (history).

The atlas contains facsimiles of maps by Pavel Jozef Šafárik, Ami Boué, Ljubomir Davidović, Lejean, F. Hahn and Zach, Mackensie and Irby, Prof. Erben, Elisée Reclus, Kiepert, Synvet, Vasil Kantschoff, and others.