Vùng này ở gần biển.

A natural word-by-word breakdown is:

• vùng = area, region, zone
• này = this
• ở = to be located at / in / near; a location marker
• gần = near, close to
• biển = sea

So the structure is basically:

• Vùng này = this area / this region
• ở gần biển = is located near the sea

In Vietnamese, demonstratives like này (this) usually come after the noun, not before it.

So:

• vùng này = this area
• nhà này = this house
• người đó = that person

This is one of the first word-order differences English speakers notice. English says this region, but Vietnamese says region this.

Not exactly. Ở is mainly connected with location. In a sentence like this, it helps express that something is located somewhere.

So ở gần biển means something like:

• is near the sea
• is located near the sea

Vietnamese often does not use a general verb exactly like English to be in the same way English does. In location sentences, ở often does that job.

Yes. Vùng này gần biển is also natural and understandable.

The version with ở makes the sentence feel a little more explicitly about location:

• Vùng này ở gần biển = This area is located near the sea.
• Vùng này gần biển = This area is near the sea.

In everyday speech, both can work.

Vietnamese does not have articles like English a/an and the.

So biển can mean:

• sea
• the sea

The exact interpretation depends on context. In this sentence, English usually translates it naturally as the sea, but Vietnamese does not need a separate word for that.

In this sentence, biển means sea or sometimes the sea in a general sense.

It does not usually mean beach. For beach, Vietnamese normally uses:

• bãi biển = beach

Related words:

• biển = sea
• bờ biển = coast, seashore
• bãi biển = beach

So gần biển means near the sea, not specifically near the beach.

Because not every Vietnamese noun phrase needs a classifier.

Classifiers are very common with many everyday countable nouns, such as:

• cái bàn này = this table
• con mèo đó = that cat

But with words like vùng (region/area), using the noun directly with này is very normal:

• vùng này = this region / this area

So there is nothing missing here.

Vùng is a flexible word. Depending on context, it can mean:

• area
• region
• zone

In Vùng này ở gần biển, the most natural English choices are usually this area or this region.

It often refers to a somewhat broad place, not just a tiny point on a map.

A tone-focused breakdown is:

• vùng — falling tone
• này — falling tone
• ở — hỏi tone
• gần — falling tone
• biển — hỏi tone

A careful learner should especially watch:

• vùng: starts with v
• gần: the g is hard, like in go
• biển: do not confuse it with bên or bạn
• ở and biển both have the hỏi tone

A good way to practice is to say it in two chunks:

• Vùng này
• ở gần biển

Then combine them smoothly:

• Vùng này ở gần biển