# Could one index alias aggregate results from multiple index?
**URL:** https://discuss.elastic.co/t/could-one-index-alias-aggregate-results-from-multiple-index/25743
**Category:** Elasticsearch
**Created:** [July 16, 2015, 6:58pm UTC](https://discuss.elastic.co/t/could-one-index-alias-aggregate-results-from-multiple-index/25743 "2015-07-16T18:58:50Z")
**Posts on this page:** 6
**Page:** 1
### Author:  [@linlma](https://discuss.elastic.co/u/linlma)
#### Post date: [July 16, 2015, 6:58pm UTC](https://discuss.elastic.co/t/could-one-index-alias-aggregate-results-from-multiple-index/25743/1 "2015-07-16T18:58:50Z")
Hello Elastic experts,
Could one index alias aggregate results from multiple index?
thanks in advance,
Lin
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### Author:  [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)
#### Post date: [July 16, 2015, 7:21pm UTC](https://discuss.elastic.co/t/could-one-index-alias-aggregate-results-from-multiple-index/25743/2 "2015-07-16T19:21:01Z")
Yes, an alias can point to more than one index.
[https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-aliases.html#alias-adding](https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-aliases.html#alias-adding)
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### Author:  [@linlma](https://discuss.elastic.co/u/linlma)
#### Post date: [July 16, 2015, 8:19pm UTC](https://discuss.elastic.co/t/could-one-index-alias-aggregate-results-from-multiple-index/25743/3 "2015-07-16T20:19:58Z")
Thanks Magnus,
Is there a sample of how to create multiple index based alias? I see the samples are all based on one alias with one index? Please feel free to correct me if I am wrong.
regards,
Lin
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### Author:  [@colings86](https://discuss.elastic.co/u/colings86)
#### Post date: [July 16, 2015, 8:22pm UTC](https://discuss.elastic.co/t/could-one-index-alias-aggregate-results-from-multiple-index/25743/4 "2015-07-16T20:22:24Z")
Have a look at the fourth code block in this page of the documentation: [https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-aliases.html](https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-aliases.html)
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### Author:  [@linlma](https://discuss.elastic.co/u/linlma)
#### Post date: [July 16, 2015, 10:23pm UTC](https://discuss.elastic.co/t/could-one-index-alias-aggregate-results-from-multiple-index/25743/5 "2015-07-16T22:23:08Z")
Cool, thanks Colin.
regards,
Lin
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 12:00am UTC](https://discuss.elastic.co/t/could-one-index-alias-aggregate-results-from-multiple-index/25743/6 "2017-07-06T00:00:54Z")