| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Yabmana | city | State of South Australia | Australia | -33.6666667 | 136.7 | 688 | 50 |
| Yahl Paddock | city | State of South Australia | Australia | -37.8666667 | 140.8 | 239 | 17095 |
| Yallunda Flat | city | State of South Australia | Australia | -34.35 | 135.8833333 | 501 | 117 |
| Yalpara | city | State of South Australia | Australia | -32.5333333 | 138.9333333 | 990 | 5 |
| Yandiah | city | State of South Australia | Australia | -32.9666667 | 138.3333333 | 1072 | 112 |
| Yaninee | city | State of South Australia | Australia | -32.95 | 135.2666667 | 252 | 33 |
| Yankalilla | city | State of South Australia | Australia | -35.4666667 | 138.35 | 334 | 543 |
| Yantanabie | city | State of South Australia | Australia | -32.4833333 | 134.6333333 | 337 | 42 |
| Yaralin | city | State of South Australia | Australia | -34.1333333 | 139.9333333 | 52 | 196 |
| Yaroona | city | State of South Australia | Australia | -35.1333333 | 138.6666667 | 974 | 17831 |
| Yatina | city | State of South Australia | Australia | -32.9333333 | 138.6666667 | 2532 | 117 |
| Yeelanna | city | State of South Australia | Australia | -34.15 | 135.7333333 | 249 | 106 |
| Yinkanie | city | State of South Australia | Australia | -34.3333333 | 140.3166667 | 98 | 313 |
| Yongala | city | State of South Australia | Australia | -34.9166667 | 137.55 | 137 | 411 |
| Yongala Cowie | city | State of South Australia | Australia | -34.9166667 | 137.55 | 137 | 411 |
| Yorketown | city | State of South Australia | Australia | -35.0333333 | 137.6 | 45 | 434 |
| Yumali | city | State of South Australia | Australia | -35.5166667 | 139.7666667 | 282 | 47 |
| Yundi | city | State of South Australia | Australia | -35.3166667 | 138.6333333 | 803 | 3816 |
| Yunta | city | State of South Australia | Australia | -32.5833333 | 139.55 | 997 | 0 |
| Yurgo | city | State of South Australia | Australia | -35.1833333 | 140.05 | 249 | 33 |
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