In this article, we will learn how to develop 'Spring Data Elasticsearch CRUD Examples Using Spring Boot'. We will start with the basics of Elasticseach as a theoretical part. In practical part we are going to discuss how to setup Elasticsearch in our system and make it ready to work. Then, we will move to the development of our example. Apart from CRUD operation with UI, we will also get into 'How to create a REST API using Spring Boot and Elasticsearch. What is Elasticsearch? Elasticsearch provides the capability to store, search, and analyze huge volumes of both structured and unstructured data. It primarily works on the concept of indexing. Since it also capable of storing large amounts of structured and unstructured