There are a large number broadcast stations on the HF bands, most countries seem to transmit at some time of the day on the HF bands in one language or another.
The most popular broadcast station is the BBC World Service which transmits to various parts of the world at different times of the day.

Short Wave Broadcast Bands

Band	Frequency kHz	BBC world service	Radio Australia	Radio New Zeeland
120 metres	2300 - 2495 kHz
90 metres	3200 - 3400 kHz
75 metres	3950 - 4000 kHz
60 metres	4750 - 5060 kHz
49 metres	5850 - 6200 kHz	6195		5950
41 metres	7100 - 7350 kHz
31 metres	9400 - 9900 kHz	9410, 9740	9475, 9625, 9765	9765
25 metres	11600 - 12050 kHz	11760, 11810, 12095,	11660, 11945	11725
21 metres	13570 - 13870 kHz			13730
19 metres	15100 - 15800 kHz	15400, 15420, 15575	15415	15720
16 metres	17480 - 17900 kHz	17640, 117790, 17830		17675
13 metres	21450 - 21850 kHz	21470	21725
11 metres	25500 - 25670 kHz
Stations are 5 kHz a part and all transmissions are AM