Trianglum Australe kalebet wonten ing kulawarga konstelasi Hercules, sesarengan kaliyan konstelasi Hercules, Sagitta, Aquila, Lyra, Cygnus, Vulpecula, Hydra, Sextans, Crater, Corvus, Ophiuchus, Serpens, Scutum, Centaurus, Lupus, Corona Australis, Ara, lan Crux. 